Finding the Fourth Proportional to 472,886.58, 709,436.79 and 157,355.94
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Solution
The fourth proportional to 472,886.58, 709,436.79 and 157,355.94 is: 236,069.49
Step by Step Solution
- Step 1: Write the proportion equation
472,886.58 : 709,436.79 = 157,355.94 : x - Step 2: Convert to fraction form
472,886.58/709,436.79 = 157,355.94/x - Step 3: Cross multiply
472,886.58x = 709,436.79 × 157,355.94 - Step 4: Simplify right side
472,886.58x = 111,634,092,961.03 - Step 5: Solve for x
x = 111,634,092,961.03/472,886.58 - Step 6: Final answer
x = 236,069.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.